单项选择题A.the U.S. has detected an Iranian spy service networkB.the U.S. has broken the codes used in Iranian spy communicationsC.the U.S. would improve its ability to gather intelligence on IranD.an Iraqi politician has revealed important intelligence to Iran
A.the U.S. has detected an Iranian spy service network
B.the U.S. has broken the codes used in Iranian spy communications
C.the U.S. would improve its ability to gather intelligence on Iran
D.an Iraqi politician has revealed important intelligence to Iran